205944520

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{6967}}^1$

素因数の和:7717

約数の個数: 32

約数和(自身を含む): 464068800

約数和(自身を除く): 258124280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 6967, 7390, 13934, 14780, 27868, 29560, 34835, 55736, 69670, 139340, 278680, 5148613, 10297226, 20594452, 25743065, 41188904, 51486130, 102972260, 205944520]

約数ペア:

[(1, 205944520), (2, 102972260), (4, 51486130), (5, 41188904), (8, 25743065), (10, 20594452), (20, 10297226), (40, 5148613), (739, 278680), (1478, 139340), (2956, 69670), (3695, 55736), (5912, 34835), (6967, 29560), (7390, 27868), (13934, 14780)]